App to clean up my phone and boost the speed

[androidboy123]

Hi guys
I would like to get some suggestions from you guys for the best recommended app to clean up my android. I did search online but I found various apps so I decided to get some idea from you guys. I don't want the app to clear all my call logs. Other than that, I m fine.
So what are do u suggest?

Thanks in advance.

 

[BenPope]

Factory reset.

 

[Wilks3y]

Hi guys
I would like to get some suggestions from you guys for the best recommended app to clean up my android. I did search online but I found various apps so I decided to get some idea from you guys. I don't want the app to clear all my call logs. Other than that, I m fine.
So what are do u suggest?

Thanks in advance.

Here

I have the free version, but I can't seem to find their free version.
Btw its in english on the phone.